Attack on the uncastled king: rook to a5 (a1·9)
c9-26705naming tag (square·N)Shuffle Rating 1200Theme: Chess960 twist: use the unusual starting setup of the pieces.
White to move — find the best continuation
The tactical motive
Chess960 twist: use the unusual starting setup of the pieces.
White to move — find the best continuation
Solution & explanation
Main line
15. Rxa5 gxf4 16. Ng4 Bg7 17. Nh3 c5 18. Nxf4
Why it works
- Great move! rook to a5 keeps the pressure (+3.5).
- knight to g4 develops smoothly.
- A natural move: knight to h3.
- Best move. knight to f4 is exactly what the engine plays (+3.9).
- You win a piece — the queen.
- If instead gxf4, then Ng4 and you win the queen.
About this position
These pieces come from starting position #891.
SP-891 · BastionGuard — King shifted to c or f, knights kept clear of the edges — 168 positions in all.
Explore position #891Similar puzzles
Free, no ads · Android 8.0+ · coming soon to Google Play